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44
eir F1000 Modem U
ser’s Guide
Chapter 4 Broadband
compose the network address. The prefix length is written as “/x” where x is a number. For
example,
2001:db8:1a2b:15::1a2f:0/32
means that the first 32 bits (
2001:db8
) is the subnet prefix.
IPv6 Subnet Masking
Both an IPv6 address and IPv6 subnet mask compose of 128-bit binary digits, which are divided
into eight 16-bit blocks and written in hexadecimal notation. Hexadecimal uses four bits for each
character (1 ~ 10, A ~ F). Each block’s 16 bits are then represented by four hexadecimal
characters. For example, FFFF:FFFF:FFFF:FFFF:FC00:0000:0000:0000.
IPv6 Rapid Deployment
Use IPv6 Rapid Deployment (6rd) when the local network uses IPv6 and eir has an IPv4 network.
When the Device has an IPv4 WAN address and you set
IPv6/IPv4 Mode
to
IPv4 Only
, you can
enable 6rd to encapsulate IPv6 packets in IPv4 packets to cross eir’s IPv4 network.
The Device generates a global IPv6 prefix from its IPv4 WAN address and tunnels IPv6 traffic to
eir’s Border Relay router (BR in the figure) to connect to the native IPv6 Internet. The local
network can also use IPv4 services. The Device uses it’s configured IPv4 WAN IP to route IPv4
traffic to the IPv4 Internet.
Figure 21
IPv6 Rapid Deployment
LAN
- IPv6
- IPv4
WAN
- IPv4
- IPv6 in IPv4
IPv6
+
IPv4
ISP (IPv4)
IPv6 in IPv4
BR
IPv6 Internet
IPv4
IPv4 Internet
Dual Stack Lite
Use Dual Stack Lite when local network computers use IPv4 and the ISP has an IPv6 network.
When the Device has an IPv6 WAN address and you set
IPv6/IPv4 Mode
to
IPv6 Only
, you can
enable Dual Stack Lite to use IPv4 computers and services.
The Device tunnels IPv4 packets inside IPv6 encapsulation packets to the ISP’s Address Family
Transition Router (AFTR in the graphic) to connect to the IPv4 Internet. The local network can also
use IPv6 services. The Device uses it’s configured IPv6 WAN IP to route IPv6 traffic to the IPv6
Internet.
Содержание eir F1000
Страница 4: ...4 eir F1000 Modem User s Guide Contents Overview Diagnostic 273 Troubleshooting 279...
Страница 14: ...14 eir F1000 Modem User s Guide Table of Contents...
Страница 15: ...PART I User s Guide 15...
Страница 16: ...16...
Страница 27: ...27 eir F1000 Modem User s Guide Chapter 2 The Web Configurator Figure 10 Connection Status...
Страница 33: ...PART II Technical Reference 33...
Страница 34: ...34...
Страница 68: ...68 eir F1000 Modem User s Guide Chapter 4 Broadband...
Страница 134: ...134 eir F1000 Modem User s Guide Chapter 7 Routing...
Страница 170: ...170 eir F1000 Modem User s Guide Chapter 9 Network Address Translation NAT...
Страница 180: ...Chapter 11 Interface Group 180 eir F1000 Modem User s Guide...
Страница 186: ...186 eir F1000 Modem User s Guide Chapter 12 USB Service...
Страница 200: ...200 eir F1000 Modem User s Guide Chapter 15 Parental Control...
Страница 210: ...210 eir F1000 Modem User s Guide Chapter 17 Certificates...
Страница 228: ...Chapter 19 Log 228 eir F1000 Modem User s Guide...
Страница 248: ...248 eir F1000 Modem User s Guide Chapter 27 User Account...
Страница 252: ...Chapter 28 Remote Management 252 eir F1000 Modem User s Guide...
Страница 254: ...254 eir F1000 Modem User s Guide Chapter 29 TR 064...
Страница 260: ...Chapter 31 Time Settings 260 eir F1000 Modem User s Guide...
Страница 266: ...Chapter 33 Log Setting 266 eir F1000 Modem User s Guide...
Страница 272: ...Chapter 35 Configuration 272 eir F1000 Modem User s Guide...
Страница 278: ...Chapter 36 Diagnostic 278 eir F1000 Modem User s Guide...
Страница 324: ...324 eir F1000 Modem User s Guide Appendix C Pop up Windows JavaScripts and Java Permissions...
Страница 338: ...338 eir F1000 Modem User s Guide Appendix D Wireless LANs...